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82 relations: Acoustic dispersion, Analogue electronics, Audio power, Audio power amplifier, Audiophile, Band-pass filter, Bass amplifier, Bass management, Bessel filter, Bi-wiring, Boombox, Butterworth filter, Capacitor, CD player, Charlie Hughes, Circuit breaker, Consumer electronics, Copper, De-essing, Decade (log scale), Digital data, Digital signal processing, Distortion, Dolby noise-reduction system, Electric current, Electrical characteristics of dynamic loudspeakers, Electrical impedance, Electrolyte, Electronic filter, Electronic filter topology, Ferrite core, Finite element method, Finite impulse response, Frequency band, Frequency response, Full-range speaker, Fuse (electrical), Gain (electronics), Harmonic series (music), High fidelity, High-pass filter, Home cinema, Home theater in a box, In-phase and quadrature components, Inductor, Infinite impulse response, Intermodulation, Keyboard amplifier, Linear phase, Linkwitz–Riley filter, ..., Loudspeaker, Loudspeaker enclosure, Low-pass filter, Microprocessor, Mid-range speaker, Midwoofer-tweeter-midwoofer, Mixing console, Noise, Noise reduction, Octave, Operational amplifier, Phase (waves), Phase response, Polyester, Polypropylene, Powered speakers, Professional audio, Public address system, Resistor, Siegfried Linkwitz, Silicon, Sound reinforcement system, Speaker driver, Stage monitor system, Subwoofer, Super tweeter, Tweeter, Vehicle audio, Voltage, Woofer, Zobel network, 5.1 surround sound. Expand index (32 more) »
Acoustic dispersion
Acoustic dispersion is the phenomenon of a sound wave separating into its component frequencies as it passes through a material.
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Analogue electronics
Analogue electronics (also spelled analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels.
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Audio power
Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts.
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Audio power amplifier
An audio power amplifier (or power amp) is an electronic amplifier that reproduces low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup at a level that is strong enough for driving (or powering) loudspeakers or headphones.
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Audiophile
An audiophile is a person who is enthusiastic about high-fidelity sound reproduction.
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Band-pass filter
A band-pass filter, also bandpass filter or BPF, is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.
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Bass amplifier
A bass amplifier or "bass amp" is a musical instrument electronic device that uses electrical power to make lower-pitched instruments such as the bass guitar or double bass loud enough to be heard by the performers and audience.
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Bass management
The fundamental principle of bass management (also called LFE Crossover) in surround sound replay systems is that bass content in the incoming signal, irrespective of channel, should be directed only to loudspeakers capable of handling it, whether the latter are the main system loudspeakers or one or more special low-frequency speakers (subwoofers).
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Bessel filter
In electronics and signal processing, a Bessel filter is a type of analog linear filter with a maximally flat group/phase delay (maximally linear phase response), which preserves the wave shape of filtered signals in the passband.
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Bi-wiring
Bi-wiring is a means of connecting a:loudspeaker to an audio:amplifier, primarily used in hi-fi systems.
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Boombox
A boombox is a transistorized portable music player featuring one or two cassette tape recorder/players and AM/FM radio, generally with a carrying handle.
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Butterworth filter
The Butterworth filter is a type of signal processing filter designed to have a frequency response as flat as possible in the passband.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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CD player
A CD player is an electronic device that plays audio compact discs, which are a digital optical disc data storage format.
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Charlie Hughes
Charles Emory "Charlie" Hughes II (born February 13, 1965) is an American inventor and audio engineer.
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Circuit breaker
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.
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Consumer electronics
Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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De-essing
De-essing (also desibilizing) is any technique intended to reduce or eliminate the excessive prominence of sibilant consonants, such as the sounds normally represented in English by "s", "z", "ch", "j" and "sh", in recordings of the human voice.
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Decade (log scale)
One decade (symbol dec) is a unit for measuring frequency ratios on a logarithmic scale, with one decade corresponding to a ratio of 10 between two frequencies (an order of magnitude difference).
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Digital data
Digital data, in information theory and information systems, is the discrete, discontinuous representation of information or works.
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Digital signal processing
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
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Distortion
Distortion is the alteration of the original shape (or other characteristic) of something.
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Dolby noise-reduction system
A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog magnetic tape recording.
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Electric current
An electric current is a flow of electric charge.
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Electrical characteristics of dynamic loudspeakers
The chief electrical characteristic of a dynamic loudspeaker's driver is its electrical impedance as a function of frequency.
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Electrical impedance
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
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Electrolyte
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.
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Electronic filter
Electronic filters are circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.
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Electronic filter topology
Electronic filter topology defines electronic filter circuits without taking note of the values of the components used but only the manner in which those components are connected.
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Ferrite core
In electronics, a ferrite core is a type of magnetic core made of ferrite on which the windings of electric transformers and other wound components such as inductors are formed.
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Finite element method
The finite element method (FEM), is a numerical method for solving problems of engineering and mathematical physics.
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Finite impulse response
In signal processing, a finite impulse response (FIR) filter is a filter whose impulse response (or response to any finite length input) is of finite duration, because it settles to zero in finite time.
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Frequency band
A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency.
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Frequency response
Frequency response is the quantitative measure of the output spectrum of a system or device in response to a stimulus, and is used to characterize the dynamics of the system.
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Full-range speaker
A full-range loudspeaker drive unit is defined as a driver which reproduces as much of the audible frequency range as possible, within the limitations imposed by the physical constraints of a specific design.
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Fuse (electrical)
In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
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Gain (electronics)
In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.
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Harmonic series (music)
A harmonic series is the sequence of sounds—pure tones, represented by sinusoidal waves—in which the frequency of each sound is an integer multiple of the fundamental, the lowest frequency.
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High fidelity
High fidelity (often shortened to hi-fi or hifi) is a term used by listeners, audiophiles and home audio enthusiasts to refer to high-quality reproduction of sound.
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High-pass filter
A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency.
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Home cinema
Home cinema, also called home theater or home theatre, refers to home entertainment audio-visual systems that seek to reproduce a movie theater experience and mood using consumer electronics-grade video and audio equipment that is set up in a room or backyard of a private home.
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Home theater in a box
A "home theater in a box" (HTIB) is an integrated home theater package which "bundles" together a combination DVD or Blu-ray player, a multi-channel amplifier (which includes a surround sound decoder, a radio tuner, and other features), speaker wires, connection cables, a remote control, a set of five or more surround sound speakers (or more rarely, just left and right speakers, a lower-price option known as "2.1") and a low-frequency subwoofer cabinet.
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In-phase and quadrature components
In electrical engineering, a sinusoid with angle modulation can be decomposed into, or synthesized from, two amplitude-modulated sinusoids that are offset in phase by one-quarter cycle (/2 radians).
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Inductor
An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.
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Infinite impulse response
Infinite impulse response (IIR) is a property applying to many linear time-invariant systems.
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Intermodulation
Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities in a system.
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Keyboard amplifier
A keyboard amplifier is a powered electronic amplifier and loudspeaker in a wooden speaker cabinet used for amplification of electronic keyboard instruments.
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Linear phase
Linear phase is a property of a filter, where the phase response of the filter is a linear function of frequency.
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Linkwitz–Riley filter
A Linkwitz–Riley (L-R) filter is an infinite impulse response filter used in Linkwitz–Riley audio crossovers, named after its inventors Siegfried Linkwitz and Russ Riley, which was originally described in Active Crossover Networks for Noncoincident Drivers in.
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Loudspeaker
A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.
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Loudspeaker enclosure
A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often box-shaped) in which speaker drivers (e.g., loudspeakers and tweeters) and associated electronic hardware, such as crossover circuits and, in some cases, power amplifiers, are mounted.
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Low-pass filter
A low-pass filter (LPF) is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.
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Microprocessor
A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.
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Mid-range speaker
A mid-range speaker is a loudspeaker driver that reproduces sound in the frequency range from 250 to 2000 Hz.
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Midwoofer-tweeter-midwoofer
The midwoofer-tweeter-midwoofer loudspeaker configuration (called MTM, for short) was created by Joseph D'Appolito as a way of correcting the inherent lobe tilting of a typical mid-tweeter (MT) configuration, at the crossover frequency, unless time-aligned.
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Mixing console
In sound recording and reproduction, and sound reinforcement systems, a mixing console is an electronic device for combining sounds of many different audio signals.
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Noise
Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.
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Noise reduction
Noise reduction is the process of removing noise from a signal.
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Octave
In music, an octave (octavus: eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency.
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Operational amplifier
An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.
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Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
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Phase response
In signal processing, phase response is the relationship between the phase of a sinusoidal input and the output signal passing through any device that accepts input and produces an output signal, such as an amplifier or a filter.
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Polyester
Polyester is a category of polymers that contain the ester functional group in their main chain.
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Polypropylene
Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.
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Powered speakers
Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.
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Professional audio
Professional audio, abbreviated as pro audio, refers to both an activity and a category of high quality, studio-grade audio equipment.
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Public address system
A public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment.
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Resistor
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
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Siegfried Linkwitz
Siegfried Linkwitz (born 1935) is well known as the co-inventor of the Linkwitz–Riley filter along with Russ Riley.
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Silicon
Silicon is a chemical element with symbol Si and atomic number 14.
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Sound reinforcement system
A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience.
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Speaker driver
A speaker driver is an individual loudspeaker transducer that converts an electrical audio signal to sound waves.
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Stage monitor system
Foldback or a stage monitor system is the use of performer-facing loudspeaker cabinets known as monitor speakers or stage monitors on stage during live music performances in which a PA system or sound reinforcement system is used to amplify the performers' singing, music, speech and other sounds for the audience.
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Subwoofer
A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass and sub-bass.
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Super tweeter
A super tweeter is a speaker driver intended to produce ultra high frequencies in a multi-driver loudspeaker system.
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Tweeter
A tweeter or treble speaker is a special type of loudspeaker (usually dome or horn-type) that is designed to produce high audio frequencies, typically from around 2,000 Hz to 20,000 Hz (generally considered to be the upper limit of human hearing).
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Vehicle audio
Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants.
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Voltage
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
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Woofer
A woofer or bass speaker is a technical term for loudspeaker driver designed to produce low frequency sounds, typically from 40 Hz up to 500 Hz.
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Zobel network
Zobel networks are a type of filter section based on the image-impedance design principle.
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5.1 surround sound
5.1 surround sound ("five-point one") is the common name for six channel surround sound audio systems.
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Redirects here:
Active crossover, Audio crossovers, Crossover (audio), Crossover audio, Crossover filter, Crossover frequency, Mechanical crossover, Passive crossover.
References
[1] https://en.wikipedia.org/wiki/Audio_crossover
